Online Turbidity Meter Used Sewage

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Shanghai BOQU Instrument Co., Ltd

Shanghai, China

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The transmitter can be used to display data measured by the sensor, so the user can get the 4-20mA analog output of the transmitter’s interface configuration and calibration. And it can make relay control, digital communications, and other functions a reality.

What's Turbidity?
Turbidity, a measure of cloudiness in liquids, has been recognized as a simple and basic indicator of water quality. It has been used for monitoring drinking water, including that produced by filtration for decades. Turbidity measurement involves the use of a light beam, with defined characteristics, to determine the semi-quantitative presence of particulate material present in the water or other fluid sample. The light beam is referred to as the incident light beam. The material present in the water causes the incident light beam to scatter and this scattered light is detected and quantified relative to a traceable calibration standard. The higher the quantity of the particulate material contained in a sample, the greater the scattering of the incident light beam and the higher the resulting turbidity.
Any particle within a sample that passes through a defined incident light source (often an incandescent lamp, light emitting diode (LED), or laser diode), can contribute to the overall turbidity in the sample. The goal of filtration is to eliminate particles from any given sample. When filtration systems are performing properly and monitored with a turbidimeter, turbidity of the effluent will be characterized by a low and stable measurement. Some turbidimeters become less effective in super-clean waters, where particle sizes and particle count levels are very low. For those turbidimeters that lack sensitivity at these low levels, turbidity changes that result from a filter breach can be so small that it becomes indistinguishable from the turbidity baseline noise of the instrument.
This baseline noise has several sources including the inherent instrument noise (electronic noise), instrument stray light, sample noise, and noise in the light source itself. These interferences are additive and they become the primary source of false positive turbidity responses and can adversely impact the instrument detection limit.

                                                            Model No
                                                            TBG-2088S
                                                        
                                                            Output
                                                            4-20mA
                                                        
                                                            Communication Protocol
                                                            Modbus RTU RS485
                                                        
                                                            Measure Parameters
                                                            Turbidity, Temperature
                                                        
                                                            Features
                                                            IP65 protection grade, 90-260VAC wide power supply
                                                        
                                                            Measuring range
                                                            0~100NTU, 0-4000NTU
                                                        
                                                            Accuracy
                                                            ±2%
                                                        
                                                            Size
                                                            144*144*104mm  L*W*H
                                                        
                                                            Waterproof Rate
                                                            IP65
                                                        
                                                            Warranty Period
                                                            1 year
                                                        
                                                            Operation Temperature
                                                            0 to 100℃
                                                        
                                                            Weight
                                                            0.9kg
                                                        
                                                            Shell Material
                                                            ABS
                                                        
                                                            Power Supply
                                                            90 – 260V AC 50/60Hz
                                                        
                                                            Output
                                                            4-20mA
                                                        
                                                            Digital Communication
                                                            MODBUS RS485 communication function, which can transmit real-time measurements
                                                        
                                                            Relay
                                                            5A/250V AC      5A/30V DC